kubernetes-deployments/modules/immich.nix

{ globals, config, lib, ... }: {
  options.immich.enable = lib.mkEnableOption "immich";

  config = lib.mkIf config.immich.enable {
    kubernetes.resources = {
      secrets.immich.stringData.databasePassword = "ref+sops://secrets.yml#/immich/databasePassword";

      deployments = {
        immich.spec = {
          selector.matchLabels = {
            app = "immich";
            component = "server";
          };

          strategy = {
            type = "RollingUpdate";

            rollingUpdate = {
              maxSurge = 0;
              maxUnavailable = 1;
            };
          };

          template = {
            metadata.labels = {
              app = "immich";
              component = "server";
            };

            spec = {
              volumes.data.persistentVolumeClaim.claimName = "data";

              enableServiceLinks = false;

              containers.immich = {
                image = globals.images.immich;
                imagePullPolicy = "IfNotPresent";
                ports.web.containerPort = 3001;

                env = {
                  TZ.value = "Europe/Amsterdam";
                  REDIS_HOSTNAME.value = "redis.immich.svc.cluster.local";
                  DB_HOSTNAME.value = "postgres.immich.svc.cluster.local";
                  DB_USERNAME.value = "postgres";
                  DB_DATABASE_NAME.value = "immich";
                  IMMICH_MACHINE_LEARNING_URL.value = "http://ml.immich.svc.cluster.local";

                  DB_PASSWORD.valueFrom.secretKeyRef = {
                    name = "immich";
                    key = "databasePassword";
                  };
                };

                volumeMounts = [{
                  name = "data";
                  mountPath = "/usr/src/app/upload";
                }];
              };
            };
          };
        };

        ml.spec = {
          selector.matchLabels = {
            app = "immich";
            component = "machine-learning";
          };

          strategy = {
            type = "RollingUpdate";

            rollingUpdate = {
              maxSurge = 0;
              maxUnavailable = 1;
            };
          };

          template = {
            metadata.labels = {
              app = "immich";
              component = "machine-learning";
            };

            spec = {
              volumes.cache.persistentVolumeClaim.claimName = "cache";

              containers.machine-learning = {
                image = globals.images.immich-machine-learning;
                imagePullPolicy = "IfNotPresent";
                ports.ml.containerPort = 3003;
                env.MACHINE_LEARNING_WORKER_TIMEOUT.value = "600";

                volumeMounts = [{
                  name = "cache";
                  mountPath = "/cache";
                }];
              };
            };
          };
        };

        redis.spec = {
          selector.matchLabels = {
            app = "immich";
            component = "redis";
          };

          strategy = {
            type = "RollingUpdate";

            rollingUpdate = {
              maxSurge = 0;
              maxUnavailable = 1;
            };
          };

          template = {
            metadata.labels = {
              app = "immich";
              component = "redis";
            };

            spec = {
              containers.redis = {
                image = globals.images.immich-redis;
                ports.redis.containerPort = 6379;
                imagePullPolicy = "IfNotPresent";
              };
            };
          };
        };

        database.spec = {
          selector.matchLabels = {
            app = "immich";
            component = "database";
          };

          strategy = {
            type = "RollingUpdate";

            rollingUpdate = {
              maxSurge = 0;
              maxUnavailable = 1;
            };
          };

          template = {
            metadata.labels = {
              app = "immich";
              component = "database";
            };

            spec = {
              volumes.data.persistentVolumeClaim.claimName = "database";

              containers.postgres = {
                image = globals.images.immich-postgres;
                imagePullPolicy = "IfNotPresent";
                command = [ "postgres" ];
                args = [ "-c" "shared_preload_libraries=vectors.so" "-c" "search_path=\"$$user\", public, vectors" "-c" "logging_collector=on" "-c" "max_wal_size=2GB" "-c" "shared_buffers=512MB" "-c" "wal_compression=on" ];
                ports.postgres.containerPort = 5432;
                securityContext.runAsUser = 999;
                securityContext.runAsGroup = 999;

                env = {
                  POSTGRES_USER.value = "postgres";
                  POSTGRES_DB.value = "immich";
                  POSTGRES_INITDB_ARGS.value = "--data-checksums";
                  PGDATA.value = "/pgdata/data";

                  POSTGRES_PASSWORD.valueFrom.secretKeyRef = {
                    name = "immich";
                    key = "databasePassword";
                  };
                };

                volumeMounts = [{
                  name = "data";
                  mountPath = "/pgdata";
                }];
              };
            };
          };
        };
      };

      services = {
        server.spec = {
          type = "LoadBalancer";
          loadBalancerIP = globals.immichIPv4;

          selector = {
            app = "immich";
            component = "server";
          };

          ports.web = {
            port = 80;
            targetPort = "web";
          };
        };

        redis.spec = {
          selector = {
            app = "immich";
            component = "redis";
          };

          ports.redis = {
            port = 6379;
            targetPort = "redis";
          };
        };

        ml.spec = {
          selector = {
            app = "immich";
            component = "machine-learning";
          };

          ports.ml = {
            port = 80;
            targetPort = "ml";
          };
        };

        postgres.spec = {
          selector = {
            app = "immich";
            component = "database";
          };

          ports.postgres = {
            port = 5432;
            targetPort = "postgres";
          };
        };
      };

      persistentVolumeClaims.cache.spec = {
        accessModes = [ "ReadWriteOnce" ];
        resources.requests.storage = "5Gi";
      };
    };

    lab = {
      tailscaleIngresses.tailscale = {
        host = "immich";
        service.name = "server";
      };

      longhorn.persistentVolumeClaim = {
        data = {
          volumeName = "immich";
          storage = "50Gi";
        };

        database = {
          volumeName = "immich-db";
          storage = "5Gi";
        };
      };
    };
  };
}